CN217713830U - Miniature diaphragm type solenoid valve - Google Patents
Miniature diaphragm type solenoid valve Download PDFInfo
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- CN217713830U CN217713830U CN202220401234.7U CN202220401234U CN217713830U CN 217713830 U CN217713830 U CN 217713830U CN 202220401234 U CN202220401234 U CN 202220401234U CN 217713830 U CN217713830 U CN 217713830U
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- valve body
- diaphragm
- electromagnet
- cavity
- liquid inlet
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Abstract
The utility model discloses a micro diaphragm type electromagnetic valve, two flow passages are arranged in a valve body, one flow passage is a liquid inlet flow passage, the other flow passage is a liquid outlet flow passage, and the two flow passages are both communicated to the outside of the valve body; the bottom of the valve body is provided with a cavity, the ports of the two flow passages positioned in the valve body are communicated with the cavity, and the ports of the liquid inlet flow passages positioned in the valve body are circular holes; a diaphragm is arranged in the cavity, the peripheral surface of the diaphragm is in sealing connection with the inner wall of the cavity, a diaphragm column is arranged in the center of the diaphragm, a sealing gasket is arranged at the top end of the diaphragm column, the top of the sealing gasket is positioned below a port of the liquid inlet flow channel positioned in the valve body, the size of the top of the sealing gasket is larger than that of the port of the liquid inlet flow channel positioned in the valve body, and the top surface of the sealing gasket is an arc surface; the top of the electromagnet is connected with the bottom of the valve body, and the middle position of the top of the electromagnet is connected with the bottom of the diaphragm column. The resistance of the fluid is better reduced when the fluid flows, so that the anti-blocking performance of the electromagnetic valve is higher.
Description
Technical Field
The utility model belongs to the solenoid valve field relates to a miniature diaphragm type solenoid valve.
Background
According to the current market development situation, analytical instruments have a demand for miniaturization. Solenoid valves used in analyzers generally require high tightness, small inner cavity volume, high anti-blocking performance, small outer volume, convenience in equipment installation, and the like. However, the conventional solenoid valve has a poor anti-clogging property because the fluid has a large resistance when flowing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a miniature diaphragm type solenoid valve, make the fluid better reduce the resistance when flowing to make the solenoid valve prevent that stifled performance is higher.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a miniature diaphragm type electromagnetic valve comprises a valve body and an electromagnet;
two flow passages are arranged in the valve body, one flow passage is a liquid inlet flow passage, the other flow passage is a liquid outlet flow passage, and the two flow passages are communicated to the outside of the valve body; the bottom of the valve body is provided with a cavity, the ports of the two flow passages in the valve body are communicated with the cavity, and the port of the liquid inlet flow passage in the valve body is a circular hole; a diaphragm is arranged in the cavity, the peripheral surface of the diaphragm is in sealing connection with the inner wall of the cavity, a diaphragm column is arranged in the center of the diaphragm, a sealing gasket is arranged at the top end of the diaphragm column, the top of the sealing gasket is positioned below a port of the liquid inlet flow channel positioned in the valve body, the size of the top of the sealing gasket is larger than that of the port of the liquid inlet flow channel positioned in the valve body, and the top surface of the sealing gasket is an arc surface;
the top of the electromagnet is connected with the bottom of the valve body, and the middle position of the top of the electromagnet is connected with the bottom of the diaphragm column.
Preferably, the diameter of the space between the diaphragm and the cavity is gradually increased from bottom to top.
Preferably, the bottom surface of the port of the liquid inlet channel positioned in the valve body is a plane.
Preferably, a sealing ring is arranged between the top of the electromagnet and the bottom of the valve body.
Preferably, the outer part of the electromagnet adopts a full plastic-coated structure.
Preferably, the top of the electromagnet extends towards two sides to form a convex block, the convex block deviates towards two opposite angles of the top of the electromagnet, and the convex block is provided with a mounting hole.
Preferably, the valve body is provided with two vertical mounting holes and two fixing holes, the two mounting holes are positioned on two sides of the central line of the valve body, and the two fixing holes are positioned on two opposite corners of the valve body.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a port that will go out the liquid flow path and be located valve body inside sets up to the circular port to set up sealed top surface into the arc surface, meet the sealing gasket at the fluid flow after, reduce the backward flow of liquid, make the fluid better when flowing reduce the resistance, thereby make the stifled performance of preventing of solenoid valve higher.
Furthermore, the bottom surface of the port of the liquid flow channel in the valve body is a plane, so that the liquid is prevented from being blocked, and the anti-blocking performance of the electromagnetic valve is further improved.
Furthermore, a sealing ring structure is arranged between the valve body and the electromagnet, so that external dust and water vapor are prevented from being immersed from the position and corroding the electromagnetic valve.
Further, the electromagnet is externally provided with a full-plastic-coated structure, so that the whole protection level is higher compared with a split type electromagnet, and the protection level can be improved to IP65.
Furthermore, the valve body and the electromagnet are respectively provided with a mounting hole position, so that equipment is convenient to mount.
Drawings
FIG. 1 is a cross-sectional view of the solenoid valve of the present invention;
FIG. 2 is a perspective view of the solenoid valve of the present invention;
FIG. 3 is a front view of the solenoid valve of the present invention;
fig. 4 is a top view of the solenoid valve of the present invention;
FIG. 5 is a perspective view of the valve body of the present invention;
fig. 6 is a diagram of the inner cavity of the electromagnetic valve of the present invention;
fig. 7 is a cross-sectional view of the seal assembly of the present invention.
Wherein: 1. diaphragm, 2 sealing ring, 3 valve body, 4 sealing pad, 5 armature, 6 pressure spring, 7 electromagnet, 8 lead.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-3, a micro diaphragm type solenoid valve according to the present invention comprises a valve body 3 and an electromagnet 7.
The top of the electromagnet 7 is connected with the bottom of the valve body 3, and the sealing ring 2 is arranged between the top of the electromagnet 7 and the bottom of the valve body 3, so that external dust and water vapor are prevented from being immersed from the position and corroding the electromagnetic valve.
The electromagnet 7 is externally provided with a full-plastic-coated structure, so that the whole protection level is higher compared with a split type electromagnet, and the protection level can be improved to IP65.
The electromagnet 7 that the package was moulded entirely that this application adopted, inside adoption gathers the magnetic ring structure, can guarantee great suction under the small-size, and the structure is compacter, and the space is extravagant little.
As shown in fig. 6-7, two flow passages are provided in the valve body 3, one flow passage is a liquid inlet flow passage, the other flow passage is a liquid outlet flow passage, and both flow passages are communicated to the outside of the valve body 3; the bottom of the valve body 3 is provided with a cavity, the two flow passages are positioned at the port inside the valve body 3 and communicated with the cavity, the port inside the valve body 3 is an outlet end when the liquid inlet flow passage is positioned, the port inside the valve body 3 is an inlet end when the liquid outlet flow passage is positioned, and the outlet end of the liquid inlet flow passage is a circular hole. The bottom surface of the port of the liquid inlet flow channel, which is positioned in the valve body 3, is a plane, so that the liquid is prevented from being blocked, and the anti-blocking performance of the electromagnetic valve is further improved.
Be provided with diaphragm 1 in the cavity, diaphragm 1 adopts PTFE or polytetrafluoroethylene to make, 1 global and cavity inner wall sealing connection of diaphragm, and 1 center of diaphragm is provided with the diaphragm post, and diaphragm post top is provided with sealed 4, and sealed 4 tops of filling up are located the exit end below of going into the liquid runner, and sealed 4 top sizes of filling up are greater than the export end size of going into the liquid runner, and sealed 4 top surfaces of filling up are the arc surface. The diameter of the space between the diaphragm 1 and the cavity is gradually increased from bottom to top.
An armature 5 is arranged at the center of the top of the electromagnet 7, the top end of the armature 5 is connected with the bottom end of the diaphragm column, and the bottom end of the armature 5 is connected with a pressure spring 6. The bottom of the electromagnet 7 is provided with a lead.
As shown in fig. 2-4, the top of the electromagnet 7 extends to two sides with a bump, the bump is offset to two opposite angles of the top of the electromagnet 7, and the bump is provided with a mounting hole.
As shown in fig. 4-5, the valve body 3 is provided with two vertical mounting holes and two fixing holes, the two mounting holes are located on two sides of the center line of the valve body 3, and the two fixing holes are located at two opposite corners of the valve body 3. The valve body 3 and the electromagnet 7 are respectively provided with mounting hole sites, so that equipment is convenient to mount.
A closed cavity is formed among the valve body 3, the diaphragm 1 and the sealing gasket 4. Under the condition of power failure, the pressure spring 6 rebounds, the sealing gasket 4 blocks the outlet end of the liquid inlet flow channel of the valve body 3, liquid cannot flow from the outlet end of the liquid inlet flow channel of the valve body 3 to the inlet end of the liquid outlet flow channel, and the electromagnetic valve 7 is closed; under the condition of power-on, the electromagnet 7 attracts the armature 5 by means of electromagnetic force and compresses the pressure spring 6 to drive the diaphragm 1 and the sealing gasket 4 to move downwards, the outlet end of the liquid inlet channel of the valve body 3 is opened, liquid can flow from the outlet end of the liquid inlet channel of the valve body 3 to the inlet end of the liquid outlet channel, and the electromagnetic valve 7 is conducted.
In the installation, design between valve body 3 and the electro-magnet 7 has sealing washer 2 to seal, prevents that outside dust, impurity from getting into, and sealed grade improves.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the pending claims along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not a disclaimer of such subject matter, nor is it to be construed that the applicant does not consider such subject matter to be part of the disclosed inventive subject matter.
Claims (7)
1. A miniature diaphragm type electromagnetic valve is characterized by comprising a valve body (3) and an electromagnet (7);
two flow passages are arranged in the valve body (3), one flow passage is a liquid inlet flow passage, the other flow passage is a liquid outlet flow passage, and the two flow passages are communicated to the outside of the valve body (3); a cavity is formed in the bottom of the valve body (3), ports of the two flow passages in the valve body (3) are communicated with the cavity, and ports of the liquid inlet flow passages in the valve body (3) are circular holes; a diaphragm (1) is arranged in the cavity, the peripheral surface of the diaphragm (1) is in sealing connection with the inner wall of the cavity, a diaphragm column is arranged in the center of the diaphragm (1), a sealing gasket (4) is arranged at the top end of the diaphragm column, the top of the sealing gasket (4) is positioned below a port of the liquid inlet flow channel positioned in the valve body (3), the size of the top of the sealing gasket (4) is larger than that of the port of the liquid inlet flow channel positioned in the valve body (3), and the top surface of the sealing gasket (4) is an arc surface;
the top of the electromagnet (7) is connected with the bottom of the valve body (3), and the middle position of the top of the electromagnet (7) is connected with the bottom of the diaphragm column.
2. The micro diaphragm-type electromagnetic valve according to claim 1, wherein a space portion between the diaphragm (1) and the cavity is gradually increased in diameter from bottom to top.
3. The micro diaphragm-type electromagnetic valve according to claim 1, wherein the bottom surface of the port of the liquid inlet channel inside the valve body (3) is a flat surface.
4. A miniature diaphragm-type solenoid valve according to claim 1, wherein a sealing ring (2) is provided between the top of the electromagnet (7) and the bottom of the valve body (3).
5. A miniature diaphragm-type electromagnetic valve according to claim 1, wherein the electromagnet (7) is of a fully plastic-coated construction on the outside.
6. The miniature diaphragm-type electromagnetic valve according to claim 1, wherein the top of the electromagnet (7) is extended with a projection toward both sides, the projection being offset toward both diagonal corners of the top of the electromagnet (7), the projection being provided with a mounting hole.
7. The micro diaphragm-type electromagnetic valve according to claim 1, wherein the valve body (3) is provided with two vertical mounting holes and two fixing holes, the two mounting holes are located on both sides of the center line of the valve body (3), and the two fixing holes are located at two diagonal positions of the valve body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401234.7U CN217713830U (en) | 2022-02-24 | 2022-02-24 | Miniature diaphragm type solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401234.7U CN217713830U (en) | 2022-02-24 | 2022-02-24 | Miniature diaphragm type solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217713830U true CN217713830U (en) | 2022-11-01 |
Family
ID=83787210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220401234.7U Active CN217713830U (en) | 2022-02-24 | 2022-02-24 | Miniature diaphragm type solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713830U (en) |
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2022
- 2022-02-24 CN CN202220401234.7U patent/CN217713830U/en active Active
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